Add BenchmarkOptionsTest. Move smoke test to benchmark_smoke_unittest

tools/perf/benchmarks/benchmark_unittest.py

Index: tools/perf/benchmarks/benchmark_unittest.py
diff --git a/tools/perf/benchmarks/benchmark_unittest.py b/tools/perf/benchmarks/benchmark_unittest.py
index 476804ed536fc00f2d39ba93634411665ec7bc23..f2437730e8c027f709f5698298ecbef43775c2df 100644
--- a/tools/perf/benchmarks/benchmark_unittest.py
+++ b/tools/perf/benchmarks/benchmark_unittest.py
@@ -2,96 +2,51 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-"""Run the first page of every benchmark that has a composable measurement.
-
-Ideally this test would be comprehensive, but the above serves as a
-kind of smoke test.
-"""
+"""For all the benchmarks that set options, test that the options are valid."""
 
 import os
 import unittest
 
 from telemetry import benchmark as benchmark_module
+from telemetry.core import browser_options
 from telemetry.core import discover
-from telemetry.page import page_test
-from telemetry.unittest import options_for_unittests
 from telemetry.unittest import progress_reporter
 
 
-def SmokeTestGenerator(benchmark):
-  # NOTE TO SHERIFFS: DO NOT DISABLE THIS TEST.
-  #
-  # This smoke test dynamically tests all benchmarks. So disabling it for one
-  # failing or flaky benchmark would disable a much wider swath of coverage
-  # than is usally intended. Instead, if a particular benchmark is failing,
-  # disable it in tools/perf/benchmarks/*.
-  @benchmark_module.Disabled('chromeos')  # crbug.com/351114
-  def BenchmarkSmokeTest(self):
-    # Only measure a single page so that this test cycles reasonably quickly.
-    benchmark.options['pageset_repeat'] = 1
-    benchmark.options['page_repeat'] = 1
+def _GetPerfDir(*subdirs):
+  perf_dir = os.path.dirname(os.path.dirname(__file__))
+  return os.path.join(perf_dir, *subdirs)
 
-    class SinglePageBenchmark(benchmark):  # pylint: disable=W0232
-      def CreatePageSet(self, options):
-        # pylint: disable=E1002
-        ps = super(SinglePageBenchmark, self).CreatePageSet(options)
-        for p in ps.pages:
-          p.skip_waits = True
-          ps.user_stories = [p]
-          break
-        return ps
 
-    # Set the benchmark's default arguments.
-    options = options_for_unittests.GetCopy()
-    options.output_format = 'none'
-    options.suppress_gtest_report = True
+def _BenchmarkOptionsTestGenerator(benchmark):
+  def testBenchmarkOptions(self):  # pylint: disable=W0613
+    """Invalid options will raise benchmark.InvalidOptionsError."""
+    options = browser_options.BrowserFinderOptions()
     parser = options.CreateParser()
-
     benchmark.AddCommandLineArgs(parser)
     benchmark_module.AddCommandLineArgs(parser)
     benchmark.SetArgumentDefaults(parser)
-    options.MergeDefaultValues(parser.get_default_values())
-
-    benchmark.ProcessCommandLineArgs(None, options)
-    benchmark_module.ProcessCommandLineArgs(None, options)
-
-    self.assertEqual(0, SinglePageBenchmark().Run(options),
-                     msg='Failed: %s' % benchmark)
-
-  return BenchmarkSmokeTest
-
-
-def load_tests(_, _2, _3):
-  suite = progress_reporter.TestSuite()
+  return testBenchmarkOptions
 
-  benchmarks_dir = os.path.dirname(__file__)
-  top_level_dir = os.path.dirname(benchmarks_dir)
-  measurements_dir = os.path.join(top_level_dir, 'measurements')
 
-  all_measurements = discover.DiscoverClasses(
-      measurements_dir, top_level_dir, page_test.PageTest,
-      pattern='*.py').values()
+def _AddBenchmarkOptionsTests(suite):
+  # Using |index_by_class_name=True| allows returning multiple benchmarks
+  # from a module.
   all_benchmarks = discover.DiscoverClasses(
-      benchmarks_dir, top_level_dir, benchmark_module.Benchmark,
-      pattern='*.py').values()
+      _GetPerfDir('benchmarks'), _GetPerfDir(), benchmark_module.Benchmark,
+      index_by_class_name=True).values()
   for benchmark in all_benchmarks:
-    if benchmark.PageTestClass() not in all_measurements:
-      # If the benchmark is not in measurements, then it is not composable.
-      # Ideally we'd like to test these as well, but the non-composable
-      # benchmarks are usually long-running benchmarks.
+    if not benchmark.options:
+      # No need to test benchmarks that have not defined options.
       continue
-
-    # TODO(tonyg): Smoke doesn't work with session_restore yet.
-    if benchmark.Name().startswith('session_restore'):
-      continue
-
-    if hasattr(benchmark, 'generated_profile_archive'):
-      # We'd like to test these, but don't know how yet.
-      continue
-
-    class BenchmarkSmokeTest(unittest.TestCase):
+    class BenchmarkOptionsTest(unittest.TestCase):
       pass
-    setattr(BenchmarkSmokeTest, benchmark.Name(), SmokeTestGenerator(benchmark))
-    suite.addTest(BenchmarkSmokeTest(benchmark.Name()))
+    setattr(BenchmarkOptionsTest, benchmark.Name(),
+            _BenchmarkOptionsTestGenerator(benchmark))
+    suite.addTest(BenchmarkOptionsTest(benchmark.Name()))
+
 
+def load_tests(_, _2, _3):
+  suite = progress_reporter.TestSuite()
+  _AddBenchmarkOptionsTests(suite)
   return suite